<template>
  <el-container>
    <!--左侧导航栏-->
    <el-aside width="200px">
      <el-row class="tac">

        <el-col :span="24">
          <el-menu
            default-active="2"
            class="el-menu-vertical-demo"
            @open="handleOpen"
            @close="handleClose"
            @select="handleselect"
            background-color="#545c64"
            text-color="#fff"
            active-text-color="#ffd04b">
            <el-submenu index="1">
              <template slot="title">
                <i class="el-icon-location"></i>
                <span>导航一</span>
              </template>
              <el-menu-item-group>
                <template slot="title">分组一</template>
                <el-menu-item index="1-1">选项1</el-menu-item>
                <el-menu-item index="1-2">选项2</el-menu-item>
              </el-menu-item-group>
              <el-menu-item-group title="分组2">
                <el-menu-item index="1-3">选项3</el-menu-item>
              </el-menu-item-group>
              <el-submenu index="1-4">
                <template slot="title">选项4</template>
                <el-menu-item index="1-4-1">选项1</el-menu-item>
              </el-submenu>
            </el-submenu>
            <el-menu-item index="2">
              <i class="el-icon-menu"></i>
              <span slot="title">导航二</span>
            </el-menu-item>
            <el-menu-item index="3" disabled>
              <i class="el-icon-document"></i>
              <span slot="title">导航三</span>
            </el-menu-item>
            <el-menu-item index="4">
              <i class="el-icon-setting"></i>
              <span slot="title">导航四</span>
            </el-menu-item>
          </el-menu>
        </el-col>
      </el-row>
    </el-aside>
    <!--右侧主体-->
    <el-main>
      <router-view></router-view>
    </el-main>
  </el-container>
</template>

<script>
import sub1 from './subcomponents/sub1'
export default {
  data(){
    return {msg:''}
  },
  created () {
    console.log('project实例')
  },
  components:{
    sub1
  },
  methods: {
    handleOpen(key, keyPath) {
      console.log(key, keyPath);
    },
    handleClose(key, keyPath) {
      console.log(key, keyPath);
    },
    handleselect(key, keyPath){
      console.log( key);
      switch(key){
        case '1-1':
          this.$router.push('/vue/project/sub1');
          break;
        case '1-2':
          this.$router.push('/vue/project/sub2');
          break;
        case '1-3':
          this.$router.push('/vue/project/sub3');
          break;
        default:
          break;
      }
    }
  }
}
</script>

<style scoped>
  .el-aside {
    color: #fffef0;
    text-align: center;
    line-height: 200px;
    background-color: rgb(84, 92, 100);
    margin: 1px 0px;
  }

  .el-main {
    background-color: #E9EEF3;
    color: #333;
    text-align: center;
    line-height: 160px;
  }

  body > .el-container {
    margin-bottom: 40px;
  }

  .el-container:nth-child(5) .el-aside,
  .el-container:nth-child(6) .el-aside {
    line-height: 260px;
  }

  .el-container:nth-child(7) .el-aside {
    line-height: 320px;
  }
  /*table*/
</style>
